function chkFormular()
	{
	    pos1=0;
		pos2=0;
	 	if(document.address.address_email.value != "")
        {
          //@ vorhanden?
          pos1 = document.address.address_email.value.indexOf('@')
          if (pos1 > 0) 
		  {
            // mehrfaches @ vorhanden?
            pos2 = document.address.address_email.value.lastIndexOf('@')
            if (pos2 = pos1) 
            {
              pos2 = document.address.address_email.value.lastIndexOf('.')
              if (pos2 > (pos1+1)) 
              {
                if (pos2 < (document.address.address_email.value.length-1)) 
                {
                  return true;
				}
		      }
			}
		  }
		}
		alert("Die eingegebene Email-Adresse ist fehlerhaft!");

		document.address.address_email.focus();
		return false;
    }

function start_win(datei, iwidth, iheight)
{
  if (iwidth==0) iwidth=600;
  if (iheight==0) iheight=600;
  F1=window.open (datei,"eKunde", "dependent=yes,scrollbars=yes,width="+iwidth+",height="+iheight+",top=0");
  F1.focus();
return;
}

function toggle_feature(myid)
{
  var myele=document.getElementById(myid); 
  if (myele == null) return;
  if (myele.style.display=='none') myele.style.display='block';
  else myele.style.display='none';
  return;
}

function show_all_features()
{
  var cnt=1000;
  var txtWeniger = "Weniger Informationen anzeigen";
  var txtMehr = "Alle Informationen anzeigen";
  theele=document.getElementById('allfeatures');
  var bdisplay = true;
  if (theele != null)
  {
    if (theele.innerHTML == txtWeniger)
    {
      theele.innerHTML = txtMehr;
      bdisplay = false;
    }
    else theele.innerHTML = txtWeniger;
  }
  
  myele=document.getElementById('f'+cnt); 
  while (myele != null)
  {
    if (bdisplay) myele.style.display='block';
    else myele.style.display='none'; 
    cnt++;
    myele=document.getElementById('f'+cnt); 
  }
}